제출 #162633

#제출 시각아이디문제언어결과실행 시간메모리
162633lukameladze게임 (IOI14_game)C++14
0 / 100
2 ms376 KiB
# include <bits/stdc++.h> using namespace std; int a,b,d[100005],p[100005],mp[1005][1005],N; void initialize(int n) { N=n; for (int i=0; i<n; i++) { p[i]=i; d[i]=1; } } int get_col(int a) { if (p[a]==a) return p[a]; p[a]=get_col(p[a]); return p[a]; } void col(int a, int w) { p[get_col(a)]=get_col(w); w=get_col(w); a=get_col(a); d[w]+=d[a]; d[a]=0; p[a]=w; } int hasEdge(int u, int v) { a=get_col(a); b=get_col(b); mp[a][b]++; mp[b][a]++; if (mp[a][b]==d[a]*d[b]) { if (d[a]>=d[b]) swap(a,b); col(a,b); for (int i=0; i<N; i++) { mp[a][i]+=mp[b][i]; mp[i][a]+=mp[i][b]; } return 1; } else return 0; }
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